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require 'benchmark/ips'


carts = 10.times.map { Cart.create! account: Account.first }
carts.each { |cart|
  items = Account.first.product_options.sample(5)
  items.each { |item| cart.line_items.create product_option_id: item.id, quantity: 1 }
}

def all_at_once(carts, &blk)

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class Array
  def ranked_sample(count)
    slice_size = length / count
    count.times.reduce([]) do |a, i|
      i += 1
      to_take = i == count ? length : slice_size * i
      v = (take(to_take) - a).sample
      a << v if v
      a
    end

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Calculating -------------------------------------
        ruby version       369 i/100ms
           c version      3413 i/100ms
-------------------------------------------------
        ruby version     3977.2 (±4.5%) i/s -      19926 in   5.020612s
           c version   450675.5 (±9.4%) i/s -    2221863 in   4.986029s
~/dev/theclymb$ ./bin/rails runner bench.rb 
Calculating -------------------------------------
        ruby version       360 i/100ms
           c version      3385 i/100ms

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# Rspec fire can only mock methods that are defined on a class.
# The way active record defines accessors is incompatible with rspec-fire's
# implementation so this works around that by defining an accessor for every
# attribute as soon as each model class is loaded for the first time
#
# TODO: See if this is needed with Rails 4
class ActiveRecord::Base
  class << self
    alias :__ar_original_inherited__ :inherited

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-- Implements the algorithm described here http://www.quuxlabs.com/blog/2010/09/matrix-factorization-a-simple-tutorial-and-implementation-in-python/
-- by translating http://www.quuxlabs.com/wp-content/uploads/2010/09/mf.py_.txt into the equivalent lua code (I hope)
--
-- INPUT:
--     R     : a matrix to be factorized, dimension N x M
--     P     : an initial matrix of dimension N x K
--     Q     : an initial matrix of dimension M x K
--     K     : the number of latent features
--     steps : the maximum number of steps to perform the optimisation
--     alpha : the learning rate

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class CreateResumeDesigns < ActiveRecord::Migration
  def up
    change_table :resume_designs do |t|
      t.string :purpose
    end
  end
  
  def down
  end
end

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Run the following in your shell:

brew install macvim --override-system-vim
brew upgrade tmux
brew install reattach-to-user-namespace
echo 'set-option -g default-command "reattach-to-user-namespace -l bash"' >> ~/.tmux.conf

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module RSpec::Mocks::Methods
  # Validates the method exists on the stub-ee before stubbing
  def s_stub(message_or_hash, opts={}, &block)
    if Hash === message_or_hash
      message_or_hash.each {|message, value| s_stub(message).and_return value }
    else
      raise "#{message_or_hash} not defined on #{self.inspect}" unless self.respond_to?(message_or_hash.to_sym)
      stub(message_or_hash.to_sym, opts, &block)
    end
  end

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# Generated by Percona Configuration Wizard (http://tools.percona.com/) version REL5-20120208                                                                                                                                                                                                                                                                                                                                            
# Configuration name mysql55-master generated for mike@theclymb.com at 2012-06-23 04:45:09                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

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require 'tinder'
require 'time'

campfire = Tinder::Campfire.new 'subdomain', :token => 'herp'

VOICES = [
  'Agnes',
  'Albert',
  'Alex',
  'Bad News',